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<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>道路交通事故车辆速度参考</title>
  <link rel="stylesheet" href="./css/gx.css">

  <script src="./js/15.js"></script>
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<body>
  <div class="div1">
    <div class="gx_mk">
      <h3 style="margin-left:5% ;width:auto; ">速度参考</h3>
    </div>


    <div class="gx_mk">
      <p class="my_span">公式14:</p>
      <img class="img_gx" src="./img/公式14.jpg" alt="Image description">
    </div>

    <div class="gx_mk">
      <p>
        <input type="number" class="input_x" id="input1" min="1" placeholder="请输入f" />
        <span class="my_span">f:所选中的画面帧数 </span>
      </p>

      <p>
        <input type="number" class="input_x" id="input2" min="1" placeholder="请输入n" />
        <span class="my_span">n:视频画面内参考线中所用的图像帧数</sapn>
      </p>

      <p>
        <input type="number" class="input_x" id="input3" min="1" placeholder="请输入s1" />
        <span class="my_span">s1：物品移动的距离s1 </span>
      </p>
      <p>
        <input type="number" class="input_x" id="input4" min="1" placeholder="请输入s2" />
        <span class="my_span">s2：物品移动的距离s2 </span>
      </p>
    </div>
    <div class="gx_mk">
      <p>结果：<span id="result">0 </span>
        <span class="my_span">( v：参考速度)</span>
      <p>结果：<span id="result1">0 </span>
        <span class="my_span">( v ：m/s )</span>
      </p>
      <button onclick="calculate()" class="btn-s">提交</button>
    </div>
  </div>
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